Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mary Katherine Ellis, MD

Individual provider Ophthalmology Physician · NPI 1679688774

Dr. Mary Katherine Ellis, MD is an Ophthalmology Physician in Oconomowoc, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

915 Summit Ave
Oconomowoc, WI 53066-3994
Phone: (262) 569-2300
Fax: (262) 569-2266
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 29428-020 (WI)

Record details

NPI number1679688774
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 20, 2006
Last updated in NPPESMarch 7, 2023

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